The end is coming for Judah. Hezekiah–for the third time now–is dying. As good as Hezekiah was, his son Manasseh was as bad as his father Ahaz. It reads particularly disheartening because Manasseh actually replaces all of the shrines that God opposes.
Consider this list of indictments from 2 Kings 21:5-6. “In the two courts of the temple of the Lord, he built altars to all the starry hosts. He sacrificed his own son in the fire, practiced divination, sought omens, and consulted mediums and spiritists. He did much evil in the eyes of the Lord, arousing his anger.”